403947856

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:205

約数の個数: 120

約数和(自身を含む): 900418560

約数和(自身を除く): 496470704

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 61, 62, 79, 104, 122, 124, 158, 169, 208, 244, 248, 316, 338, 403, 488, 496, 632, 676, 793, 806, 976, 1027, 1264, 1352, 1586, 1612, 1891, 2054, 2449, 2704, 3172, 3224, 3782, 4108, 4819, 4898, 5239, 6344, 6448, 7564, 8216, 9638, 9796, 10309, 10478, 12688, 13351, 15128, 16432, 19276, 19592, 20618, 20956, 24583, 26702, 30256, 31837, 38552, 39184, 41236, 41912, 49166, 53404, 62647, 63674, 77104, 82472, 83824, 98332, 106808, 125294, 127348, 149389, 164944, 196664, 213616, 250588, 254696, 298778, 319579, 393328, 413881, 501176, 509392, 597556, 639158, 814411, 827762, 1002352, 1195112, 1278316, 1628822, 1655524, 1942057, 2390224, 2556632, 3257644, 3311048, 3884114, 5113264, 6515288, 6622096, 7768228, 13030576, 15536456, 25246741, 31072912, 50493482, 100986964, 201973928, 403947856]

約数ペア:

[(1, 403947856), (2, 201973928), (4, 100986964), (8, 50493482), (13, 31072912), (16, 25246741), (26, 15536456), (31, 13030576), (52, 7768228), (61, 6622096), (62, 6515288), (79, 5113264), (104, 3884114), (122, 3311048), (124, 3257644), (158, 2556632), (169, 2390224), (208, 1942057), (244, 1655524), (248, 1628822), (316, 1278316), (338, 1195112), (403, 1002352), (488, 827762), (496, 814411), (632, 639158), (676, 597556), (793, 509392), (806, 501176), (976, 413881), (1027, 393328), (1264, 319579), (1352, 298778), (1586, 254696), (1612, 250588), (1891, 213616), (2054, 196664), (2449, 164944), (2704, 149389), (3172, 127348), (3224, 125294), (3782, 106808), (4108, 98332), (4819, 83824), (4898, 82472), (5239, 77104), (6344, 63674), (6448, 62647), (7564, 53404), (8216, 49166), (9638, 41912), (9796, 41236), (10309, 39184), (10478, 38552), (12688, 31837), (13351, 30256), (15128, 26702), (16432, 24583), (19276, 20956), (19592, 20618)]